35683 Composite byp grft 3/> segmt
What 35683 is
CMS fee schedule short descriptor: Composite byp grft 3/> segmt.
Full CPT long descriptions are licensed by the American Medical Association and are not published on this site; the short descriptor above is the one CMS prints in its own fee schedule file. See About CPT.
Medicare payment for 35683 (CY2026)
| Work RVU | Practice expense RVU | Malpractice RVU | Total | Medicare rate | |
|---|---|---|---|---|---|
| Non-facility (office) | 8.28 | 0.66 | 2.11 | 11.05 | $369.08 |
| Facility (hospital, ASC) | 8.28 | 0.66 | 2.11 | 11.05 | $369.08 |
National rates: total RVUs x the CY2026 conversion factor of 33.4009 (non-QP), before geographic adjustment. Actual Medicare payment is 80% of the rate shown after the deductible; the patient or secondary payer owes the 20% coinsurance.
Status: Active - payable under the Physician Fee Schedule. Global period: Add-on code: global period of the primary procedure applies.
Medically Unlikely Edit (MUE)
Medicare caps 35683 at 1 unit per date of service for practitioner claims (MAI 2 - date of service edit (absolute): units above the MUE never pay), rationale: Code Descriptor / CPT Instruction. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.
Billed with 35683? These codes are bundled into it
35683 is a Column 1 code in 8 active NCCI PTP edits. When one of these Column 2 codes is reported on the same date of service, it is denied as bundled - unless the edit's modifier indicator is 1 and documentation supports a distinct service with an NCCI-associated modifier.
| Column 2 code | Short description | Modifier indicator | |
|---|---|---|---|
35681 | Composite byp grft pros&vein | 0 - no modifier bypass | Check pair |
35682 | Composite byp grft 2 veins | 0 - no modifier bypass | Check pair |
35702 | Expl n/flwd surg uxtr art | 1 - modifier may bypass | Check pair |
35703 | Expl n/flwd surg lxtr art | 1 - modifier may bypass | Check pair |
36002 | Pseudoaneurysm injection trt | 1 - modifier may bypass | Check pair |
36591 | Draw blood off venous device | 0 - no modifier bypass | Check pair |
36592 | Collect blood from picc | 0 - no modifier bypass | Check pair |
96523 | Irrig drug delivery device | 0 - no modifier bypass | Check pair |
35683 is bundled into these codes
35683 appears as a Column 2 code in 12 active edits. Reported with one of these Column 1 codes on the same date of service, 35683 is the code that denies.
| Column 1 code | Short description | Modifier indicator | |
|---|---|---|---|
33510 | Cabg vein single | 1 | Check pair |
33511 | Cabg vein two | 1 | Check pair |
33512 | Cabg vein three | 1 | Check pair |
33513 | Cabg vein four | 1 | Check pair |
33514 | Cabg vein five | 1 | Check pair |
33516 | Cabg vein six or more | 1 | Check pair |
33517 | Cabg artery-vein single | 1 | Check pair |
33518 | Cabg artery-vein two | 1 | Check pair |
33519 | Cabg artery-vein three | 1 | Check pair |
33521 | Cabg artery-vein four | 1 | Check pair |
33522 | Cabg artery-vein five | 1 | Check pair |
33523 | Cabg art-vein six or more | 1 | Check pair |
Data: CMS CY2026 Physician Fee Schedule RVU file (October release, RVU26D) and Medicare NCCI PTP practitioner edits v32.3 (2026 Q4). Verify against the official files before billing or contracting decisions.